Finding the Fourth Proportional to 10,123.71, 13,979.52 and 6,353.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,123.71 : 13,979.52 = 6,353.42 : x
2. Step 2: Convert to fraction form
   10,123.71/13,979.52 = 6,353.42/x
3. Step 3: Cross multiply
   10,123.71x = 13,979.52 × 6,353.42
4. Step 4: Simplify right side
   10,123.71x = 88,817,761.96
5. Step 5: Solve for x
   x = 88,817,761.96/10,123.71
6. Step 6: Final answer
   x = 8,773.24